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Delete specified file from document directory
...if (success) {
UIAlertView *removedSuccessFullyAlert = [[UIAlertView alloc] initWithTitle:@"Congratulations:" message:@"Successfully removed" delegate:self cancelButtonTitle:@"Close" otherButtonTitles:nil];
[removedSuccessFullyAlert show];
}
else
{
NSLog(@"Could not delete fi...
Using a custom typeface in Android
...
This will work, but pre-ICS it will allocate memory for the fonts for each view you instantiate: code.google.com/p/android/issues/detail?id=9904 A way to fix this is to create a globally-accessible static hashmap of all instantiated fonts: code.google.com/p/and...
When should you use constexpr capability in C++11?
... @alecov Definitly not everything... I/O, syscall and dynamic memory allocation definitly cann't be marked as constexpr Besides, not everything should be constexpr.
– JiaHao Xu
Oct 8 '18 at 7:52
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Summarizing multiple columns with dplyr? [duplicate]
...#> # A tibble: 3 x 6
#> expression min median `itr/sec` mem_alloc `gc/sec`
#> <bch:expr> <bch:tm> <bch:tm> <dbl> <bch:byt> <dbl>
#> 1 dplyr 2.81ms 2.85ms 328. NA 17.3
#> 2 purrrlyr 7.96ms 8.04ms ...
Is GET data also encrypted in HTTPS?
...he host name is sent securely.
For example,
https://somewhere.com/index.php?NAME=FIELD
The /index.php?NAME=FIELD part is encrypted. The somewhere.com is not.
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Is there a naming convention for git repositories?
...
If you plan to create a PHP package you most likely want to put in on Packagist to make it available for other with composer.
Composer has the as naming-convention to use vendorname/package-name-is-lowercase-with-hyphens.
If you plan to create a J...
How do I avoid capturing self in blocks when implementing an API?
... sample
self.delegate = aDelegate;
self.dataProcessor = [[MyDataProcessor alloc] init];
// Use this inside blocks
__block id myself = self;
self.dataProcessor.progress = ^(CGFloat percentComplete) {
[myself.delegate myAPI:myself isProcessingWithProgress:percentComplete];
};
self.dataProcesso...
Static Vs. Dynamic Binding in Java
...object. e.g. [speak(), speak(String) Class object]
A pointer to the memory allocated on the heap for that object’s data e.g. values of instance variables.
So all object references indirectly hold a reference to a table which holds all the method references of that object. Java has borrowed this ...
MySQL OPTIMIZE all tables?
...n any SQL IDE connected to your database.
Notice: this code WON'T work on phpmyadmin.
How it works
It runs a show tables statement and stores it in a prepared statement. Then it runs a optimize table in the selected set.
You can control which tables to optimize by setting a different value in th...
What does “javascript:void(0)” mean?
... is a non-JavaScript way of doing the same thing (for example, ‘thispage.php?show=foo’ that sets foo visible to begin with), you can link to that.
Otherwise, if a link points only to some script, it is not really a link and should not be marked up as such. The usual approach would be to add the...